apropos alpha: alphacepheis Offline speech recognition on Android with VOSK is being used in Dicio - it can do some languages and basic tasks. Haven’t found both mentioned in this forum.
It’s fun to play around with and sees small releases. It is still a toy, but surprisingly good for an on-device solution. Language models to be downloaded can be large. It’s available via F-Droid and thus the /e/ Apps, or get it at the github release section